docs: def get_notes():
      """ By convention : D is a length of the element, d is a gap  """
  
      notes = {'DPhi':{}, 'dPhi':{}}
      # Toroidal width (mm, inner outer)
      notes['DPhi']['In'] = 26.370
      notes['DPhi']['Out'] = 31.929
  
      # Inter tiles distance (mm, uniform)
      notes['dl'] = 0.500
  
      # Poloidal/Radial total length (mm)
      notes['DL'] = 437.000
  
      # Number of tiles radially
      notes['nb'] = 35
      notes['nbPhi'] = 19*2*12
  
      # Radial length of a tile (mm, uniform)
      notes['Dl'] = 12.000
  
      # Vertical height of tiles (mm, uniform)
      notes['DZ'] = 26.000
  
      # Toroidal space between needles (mm, inner outer)
      notes['dPhi']['In'] = 0.588
      notes['dPhi']['Out'] = 0.612
  
      # (X,Z,Y) polygon of one needle (mm) !!!!!! (X,Z,Y)
      # 1 mm should be added towards Z>0 in the direction normal to the divertor's upper surface
      notes['sampleXZY'] = [[-759.457, -625.500, -1797.591], # Old start point
                            [-759.603, -624.572, -1797.936], # Only for pattern
                            [-772.277, -620.864, -1794.112],
                            [-761.681, -610.036, -1769.498], # Computed,tube/plane
                            [-761.895, -620.231, -1764.921],
                            [-751.095, -609.687, -1741.154],
                            [-755.613, -580.944, -1751.852],
                            [-766.413, -591.488, -1775.620], # Edge of plane
                            [-763.902, -596.129, -1774.659], # Computed,tube/plane
                            [-774.498, -606.956, -1799.274], # Middle top of tube
                            [-763.246, -601.395, -1806.563],
                            [-767.575, -605.891, -1816.813],
                            [-763.932, -629.068, -1808.186],
                            [-764.112, -629.255, -1808.613],
                            [-767.755, -606.078, -1817.240],
                            [-772.084, -610.573, -1827.490],
                            [-768.441, -633.750, -1818.863],
                            [-768.622, -633.938, -1819.290],
                            [-772.265, -610.760, -1827.917],
                            [-776.594, -615.256, -1838.167],
                            [-772.950, -638.433, -1829.540],
                            [-773.131, -638.620, -1829.967],
                            [-776.774, -615.443, -1838.594],
                            [-781.103, -619.938, -1848.844],
                            [-777.460, -643.115, -1840.217],
                            [-777.640, -643.303, -1840.644],
                            [-781.283, -620.126, -1849.271],
                            [-785.612, -624.621, -1859.520],
                            [-781.969, -647.798, -1850.894],
                            [-782.149, -647.985, -1851.321],
                            [-785.793, -624.808, -1859.948],
                            [-790.122, -629.303, -1870.197],
                            [-786.478, -652.481, -1861.571],
                            [-786.659, -652.668, -1861.998],
                            [-790.302, -629.491, -1870.624],
                            [-794.631, -633.986, -1880.874],
                            [-790.988, -657.163, -1872.248],
                            [-791.168, -657.351, -1872.675],
                            [-794.811, -634.173, -1881.301]]
      notes['sampleXZY'] = np.array(notes['sampleXZY'])
  
      for kk in notes.keys():
          if type(notes[kk]) is dict:
              notes[kk]['In'] = notes[kk]['In']*1.e-3
              notes[kk]['Out'] = notes[kk]['Out']*1.e-3
          elif not 'nb' in kk:
              notes[kk] = notes[kk]*1.e-3
      return notes